With more than 2 million apps in the Apple App Store and 2.2 million in Google Play, there are tons of things you can do with your smartphone beyond making calls and texting. Here are some of the most innovative apps that make your smartphone do things you’ve never imagined. 1. Measure your heart rate…

The U.S. Federal Trade Commission issued warning letters to a dozen Google Play developers over their use of SilverPush software, which turns Android devices into advertising spy beacons to listen for and track the television programming users are exposed to.

Google this week reportedly pulled one mobile ad blocker from the Google Play store and prevented another from being updated. The moves come on the heels of Samsung’s announcement this week that it was opening up its mobile Web browser to ad blockers. AdBlock Fast, which was one of the first blockers to take advantage of Samsung’s largesse, was tossed from Google Play. Google reportedly cited Section 4.4 of the Android Developer Distribution Agreement as the reason for sacking the app.

Despite a huge jump in Android app downloads from Google Play fueled by the company’s expansion into developing markets, Apple’s iOS App Store continues to bring in more money and has actually increased its lead in profitability over Android’s official store.

The iPhone 6s and 6s Plus continued to play an important part in this week’s news — and AppleInsider had a chance to review the devices — but the Mac had a brief moment to shine with the launch of OS X El Capitan, and Apple made a rare addition to its board of directors.

Adblock Browser for Android re-emerged at the Google Play store on Wednesday, after more than two years of banishment. It is also available at the iTunes App Store. “The reason we were readmitted to the Play store is that this app is different than the one that was kicked out. This one is a browser. The previous one provided some blocking for in-app ads,” said Ben Williams, head of operations and communications at Eyeo. The Adblock Browser uses built-in technology with similar features to block ads on both Android and iOS devices.

Google debuted its own streaming service in 2013 as Google Play Music All Access, after Google Play music’s initial debut in 2011. All Access was initially priced at $9.99, but in June of 2015, Google unsurprisingly unveiled an ad-supported, free version to differentiate itself from Apple’s subscription Music service.

Aspiring musicians looking to learn to play guitar with the aid of lessons on their iPad, iPhone or Mac should check out the Zivix Jamstik, a small, convenient and unique MIDI controller that uses technology to offset the learning curve associated with learning an instrument.

Apple is supposedly making a long play for augmented reality systems that one analyst believes will potentially pivot on the company’s current push into fashion, an initiative set to bear fruit with Apple Watch in April.

Google Play Music on Wednesday was updated to store up to 50,000 songs in the cloud for free, more than doubling its previous limit of 20,000 songs, and also blowing past the 25,000-song cap of Apple’s subscription iTunes Match service.